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(11)

EP 3 973 250 A1

(12)

(43) Date of publication: 30.03.2022 Bulletin 2022/13 (21) Application number: 20724070.6 (22) Date of filing: 05.05.2020

(51) International Patent Classification (IPC):  G01C 21/34(2006.01) G08G 1/00(2006.01) H04L 12/927(2013.01) H04W 72/10(2009.01) (52) Cooperative Patent Classification (CPC): G01C 21/3461; G01C 21/3415; H04W 28/26; H04W 28/24; H04W 4/024; H04W 4/40; H04W 4/08; H04W 40/12; H04W 40/20; G08G 1/0112; G08G 1/0129; G08G 1/0141; G08G 1/096811; G08G 1/096844; Y02D 30/70 (86) International application number: PCT/EP2020/062371 (87) International publication number: WO 2020/233975 (26.11.2020 Gazette 2020/48)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 23.05.2019 US 201962851710 P (71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) 164 83 Stockholm (SE)	(72) Inventors: NADER, Ali 212 42 Malmö (SE) ARUNACHALAM, Jagadeesh 212 19 Malmö (SE) PALM, Niclas 233 43 Svedala (SE) JANSSON, Jens 241 32 Eslöv (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)